/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlet;

import hibernate.AlbumDAO;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.hibernate.Session;
import photogallery.Album;

/**
 *
 * @author Saji
 */
public class JsonAjax extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("application/json");
        PrintWriter out = response.getWriter();

        try {
            String action = request.getParameter("action");
            
            AlbumDAO abDAO = new AlbumDAO();
            Session session = null;

            if (action.equals("Create Album")) {
                String albumName = request.getParameter("txtAlbumName");
                Album album = abDAO.createAlbum(albumName);
                String path = null == album.getCoverImagePath()?
                    "images/album-cover-default.png" : album.getCoverImagePath();
                String output = "{'id' : '" + album.getAlbumId() + "'," +
                                 "'name' : '" + album.getName() + "'," +
                                 "'coverImagePath' : '" + path + "'}";
                System.out.println(output);
                out.write(output);
            }
            
            if (session != null) {
                session.getTransaction().commit();
            }
        } catch(Exception e){
            e.printStackTrace();
        } finally {
            out.close();
        }
    }

// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);


    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);


    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";

    }// </editor-fold>
}
